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Summary: Constants

# BaseColumns

`public interface BaseColumns`
``

android.provider.BaseColumns

Known indirect subclasses CalendarContract.Attendees, CalendarContract.CalendarAlerts, CalendarContract.CalendarEntity, CalendarContract.Calendars, CalendarContract.Colors, CalendarContract.ColorsColumns, CalendarContract.Events, CalendarContract.EventsEntity, CalendarContract.ExtendedProperties, CalendarContract.Instances, CalendarContract.Reminders, CalendarContract.SyncState, CallLog.Calls, Contacts.ContactMethods, Contacts.Extensions, and 102 others.
CalendarContract.Attendees | Fields and helpers for interacting with Attendees.
CalendarContract.CalendarAlerts | Fields and helpers for accessing calendar alerts information.
CalendarContract.CalendarEntity | Class that represents a Calendar Entity.
CalendarContract.Calendars | Constants and helpers for the Calendars table, which contains details for individual calendars.
CalendarContract.Colors | Fields for accessing colors available for a given account.
CalendarContract.ColorsColumns |
CalendarContract.Events | Constants and helpers for the Events table, which contains details for individual events.
CalendarContract.EventsEntity | Class that represents an Event Entity.
CalendarContract.ExtendedProperties | Fields for accessing the Extended Properties.
CalendarContract.Instances | Fields and helpers for interacting with Instances.
CalendarContract.Reminders | Fields and helpers for accessing reminders for an event.
CalendarContract.SyncState | A table provided for sync adapters to use for storing private sync state data.
CallLog.Calls | Contains the recent calls.
Contacts.ContactMethods | This class is deprecated. see `ContactsContract`
Contacts.Extensions | This class is deprecated. see `ContactsContract`
Contacts.GroupMembership | This class is deprecated. see `ContactsContract`
Contacts.Groups | This class is deprecated. see `ContactsContract`
Contacts.Organizations | This class is deprecated. see `ContactsContract`
Contacts.People | This class is deprecated. see `ContactsContract`
Contacts.People.ContactMethods | This class is deprecated. see `ContactsContract`
Contacts.People.Extensions | This class is deprecated. see `ContactsContract`
Contacts.People.Phones | This class is deprecated. see `ContactsContract`
Contacts.Phones | This class is deprecated. see `ContactsContract`
Contacts.Photos | This class is deprecated. see `ContactsContract`
Contacts.Settings | This class is deprecated. see `ContactsContract`
ContactsContract.AggregationExceptions | Constants for the contact aggregation exceptions table, which contains aggregation rules overriding those used by automatic aggregation.
ContactsContract.CommonDataKinds.Callable | Convenient functionalities for "callable" data.
ContactsContract.CommonDataKinds.Contactables | A special class of data items, used to refer to types of data that can be used to attempt to start communicating with a person (`Phone` and `Email`).
ContactsContract.CommonDataKinds.Email | A data kind representing an email address.
ContactsContract.CommonDataKinds.Event | A data kind representing an event.
ContactsContract.CommonDataKinds.GroupMembership | Group Membership.
ContactsContract.CommonDataKinds.Identity | A data kind representing an Identity related to the contact.
ContactsContract.CommonDataKinds.Im | A data kind representing an IM address You can use all columns defined for `ContactsContract.Data` as well as the following aliases.
ContactsContract.CommonDataKinds.Nickname | A data kind representing the contact's nickname.
ContactsContract.CommonDataKinds.Note | Notes about the contact.
ContactsContract.CommonDataKinds.Organization | A data kind representing an organization.
ContactsContract.CommonDataKinds.Phone | A data kind representing a telephone number.
ContactsContract.CommonDataKinds.Photo | A data kind representing a photo for the contact.
ContactsContract.CommonDataKinds.Relation | A data kind representing a relation.
ContactsContract.CommonDataKinds.SipAddress | A data kind representing a SIP address for the contact.
ContactsContract.CommonDataKinds.StructuredName | A data kind representing the contact's proper name.
ContactsContract.CommonDataKinds.StructuredPostal | A data kind representing a postal addresses.
ContactsContract.CommonDataKinds.Website | A data kind representing a website related to the contact.
ContactsContract.Contacts | Constants for the contacts table, which contains a record per aggregate of raw contacts representing the same person.
ContactsContract.Contacts.AggregationSuggestions | A read-only sub-directory of a single contact aggregate that contains all aggregation suggestions (other contacts).
ContactsContract.Contacts.Data | A sub-directory of a single contact that contains all of the constituent raw contact `ContactsContract.Data` rows.
ContactsContract.Contacts.Entity | A sub-directory of a contact that contains all of its `ContactsContract.RawContacts` as well as `ContactsContract.Data` rows.
ContactsContract.Contacts.Photo | A read-only sub-directory of a single contact that contains the contact's primary photo.
ContactsContract.Data | Constants for the data table, which contains data points tied to a raw contact.
ContactsContract.DataColumnsWithJoins | Combines all columns returned by `ContactsContract.Data` table queries.
ContactsContract.Directory | A Directory represents a contacts corpus, e.g. Local contacts, Google Apps Global Address List or Corporate Global Address List.
ContactsContract.Groups | Constants for the groups table.
ContactsContract.PhoneLookup | A table that represents the result of looking up a phone number, for example for caller ID.
ContactsContract.Profile | Constants for the user's profile data, which is represented as a single contact on the device that represents the user.
ContactsContract.ProfileSyncState | A table provided for sync adapters to use for storing private sync state data for the user's personal profile.
ContactsContract.RawContacts | Constants for the raw contacts table, which contains one row of contact information for each person in each synced account.
ContactsContract.RawContacts.Data | A sub-directory of a single raw contact that contains all of its `ContactsContract.Data` rows.
ContactsContract.RawContacts.Entity | A sub-directory of a single raw contact that contains all of its `ContactsContract.Data` rows.
ContactsContract.RawContactsEntity | Constants for the raw contacts entities table, which can be thought of as an outer join of the raw_contacts table with the data table.
ContactsContract.SyncState | A table provided for sync adapters to use for storing private sync state data for contacts.
FontsContract.Columns | Defines the constants used in a response from a Font Provider.
LiveFolders | This class is deprecated. Live folders are no longer supported by Android. These have been replaced by the new AppWidget Collection APIs introduced in `Build.VERSION_CODES.HONEYCOMB`. These provide all of the features of live folders plus many more. The use of live folders is greatly discouraged because of security issues they introduce -- publishing a live folder requires making all data show for the live folder available to all applications with no permissions protecting it.
MediaStore.Audio.Albums | Contains artists for audio files
MediaStore.Audio.Artists | Contains artists for audio files
MediaStore.Audio.AudioColumns | Audio metadata columns.
MediaStore.Audio.Genres | Contains all genres for audio files
MediaStore.Audio.Genres.Members | Sub-directory of each genre containing all members.
MediaStore.Audio.Media |
MediaStore.Audio.Playlists | Contains playlists for audio files
MediaStore.Audio.Playlists.Members | Sub-directory of each playlist containing all members.
MediaStore.Audio.PlaylistsColumns | Audio playlist metadata columns.
MediaStore.DownloadColumns | Download metadata columns.
MediaStore.Downloads | Collection of downloaded items.
MediaStore.Files.FileColumns | File metadata columns.
MediaStore.Images.ImageColumns | Image metadata columns.
MediaStore.Images.Media |
MediaStore.Images.Thumbnails | This class is deprecated. Callers should migrate to using `ContentResolver#loadThumbnail`, since it offers richer control over requested thumbnail sizes and cancellation behavior.
MediaStore.MediaColumns | Common media metadata columns.
MediaStore.Video.Media |
MediaStore.Video.Thumbnails | This class is deprecated. Callers should migrate to using `ContentResolver#loadThumbnail`, since it offers richer control over requested thumbnail sizes and cancellation behavior.
MediaStore.Video.VideoColumns | Video metadata columns.
Settings.Global | Global system settings, containing preferences that always apply identically to all defined users.
Settings.NameValueTable | Common base for tables of name/value settings.
Settings.Secure | Secure system settings, containing system preferences that applications can read but are not allowed to write.
Settings.System | System settings, containing miscellaneous system preferences.
SyncStateContract.Columns |
SyncStateContract.Constants |
Telephony.BaseMmsColumns | Base columns for tables that contain MMSs.
Telephony.CanonicalAddressesColumns | Columns for the "canonical_addresses" table used by MMS and SMS.
Telephony.CarrierId | Contains carrier identification information for the current subscriptions.
Telephony.Carriers | Carriers class contains information about APNs, including MMSC information.
Telephony.Mms | Contains all MMS messages.
Telephony.Mms.Addr | Contains address information for an MMS message.
Telephony.Mms.Draft | Contains all MMS messages in the MMS app drafts folder.
Telephony.Mms.Inbox | Contains all MMS messages in the MMS app inbox.
Telephony.Mms.Outbox | Contains all MMS messages in the MMS app outbox.
Telephony.Mms.Part | Contains message parts.
Telephony.Mms.Sent | Contains all MMS messages in the MMS app sent folder.
Telephony.MmsSms | Contains all MMS and SMS messages.
Telephony.MmsSms.PendingMessages | Contains pending messages info.
Telephony.Sms | Contains all text-based SMS messages.
Telephony.Sms.Conversations | Contains a view of SMS conversations (also referred to as threads).
Telephony.Sms.Draft | Contains all draft text-based SMS messages in the SMS app.
Telephony.Sms.Inbox | Contains all text-based SMS messages in the SMS app inbox.
Telephony.Sms.Outbox | Contains all pending outgoing text-based SMS messages.
Telephony.Sms.Sent | Contains all sent text-based SMS messages in the SMS app.
Telephony.Threads | Helper functions for the "threads" table used by MMS and SMS.
Telephony.ThreadsColumns | Columns for the "threads" table used by MMS and SMS.
TvContract.BaseTvColumns | Common base for the tables of TV channels/programs.
TvContract.Channels | Column definitions for the TV channels table.
TvContract.PreviewPrograms | Column definitions for the preview TV programs table.
TvContract.Programs | Column definitions for the TV programs table.
TvContract.RecordedPrograms | Column definitions for the recorded TV programs table.
TvContract.WatchNextPrograms | Column definitions for the "watch next" TV programs table.
UserDictionary.Words | Contains the user defined words.
VoicemailContract.Status | Defines fields exposed through the /status path of this content provider.
VoicemailContract.Voicemails | Defines fields exposed through the /voicemail path of this content provider.

## Summary

### Constants
`String` | `_COUNT` The count of rows in a directory.
`String` | `_ID` The unique ID for a row.

## Constants

### _COUNT

    public static final String _COUNT

The count of rows in a directory.

Constant Value: "_count"

### _ID

    public static final String _ID

The unique ID for a row.

Constant Value: "_id"

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